EN 13175:2019+A1:2020

SLOVENSKI STANDARD
01-september-2020
Nadomešča:
SIST EN 13175:2019
Oprema in pribor za utekočinjeni naftni plin (UNP) - Specifikacija in preskušanje
ventilov in fitingov za tlačne posode za UNP (vključuje dopolnilo A1)
LPG Equipment and accessories - Specification and testing for Liquefied Petroleum Gas
(LPG) pressure vessel valves and fittings
Flüssiggas-Geräte und Ausrüstungsteile - Spezifikation und Prüfung für Ventile und
Fittinge an Druckbehältern für Flüssiggas (LPG)
Équipements pour GPL et leurs accessoires - Spécifications et essais des équipements
et accessoires des réservoirs pour gaz de pétrole liquéfié (GPL)
Ta slovenski standard je istoveten z: EN 13175:2019+A1:2020
ICS:
23.020.32 Tlačne posode Pressure vessels
23.060.01 Ventili na splošno Valves in general
75.180.01 Oprema za industrijo nafte in Equipment for petroleum and
zemeljskega plina na splošno natural gas industries in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 13175:2019+A1
EUROPEAN STANDARD
NORME EUROPÉENNE
June 2020
EUROPÄISCHE NORM
ICS 23.060.01
English Version
LPG Equipment and accessories - Specification and testing
for Liquefied Petroleum Gas (LPG) pressure vessel valves
and fittings
Équipements pour GPL et leurs accessoires - Flüssiggas-Geräte und Ausrüstungsteile - Spezifikation
Spécifications et essais des équipements et accessoires und Prüfung für Ventile und Fittinge an
des réservoirs pour gaz de pétrole liquéfié (GPL) Druckbehältern für Flüssiggas (LPG)
This European Standard was approved by CEN on 11 February 2019 and includes Amendment 1 approved by CEN on 2 June
2020.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13175:2019+A1:2020 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 8
3.1 General terms . 8
3.2 ACME couplings terms . 10
4 Operating conditions . 10
5 Materials . 11
5.1 General . 11
5.2 Metallic materials . 11
5.3 Non-metallic components . 11
5.4 Lubricants, sealants and adhesives . 12
6 Design – general requirements . 12
6.1 General . 12
6.2 Seats and seals . 13
6.3 Springs . 13
6.4 Threads . 13
6.5 Flanges . 13
7 Design - specific requirements . 13
7.1 Excess flow valve . 13
7.2 Non-return valve . 14
7.3 Shut-off valves . 14
7.4 Filler valve . 15
7.5 Filler valve with OPD . 16
7.6 Occasional liquid withdrawal valve (OLW) . 16
7.7 Occasional liquid withdrawal valve adaptor . 17
7.8 Internal valve . 17
7.9 Vapour equalizing valve . 18
7.10 Multipurpose valve . 18
7.11 Break-away coupling . 18
7.12 Dry disconnect coupling . 18
7.13 Pressure gauge . 19
8 Testing of the design . 20
8.1 General . 20
8.2 Testing of non-metallic components . 23
8.3 Over torquing deformation test . 23
8.4 External leak tightness test . 24
8.5 Internal leak tightness test . 24
8.6 Residual flow test . 25
8.7 Pressure strength test . 25
8.8 Excess flow test . 25
8.9 Endurance test . 27
8.10 Weak section strength test . 28
8.11 Stress cracking test . 28
8.12 Vacuum test . 29
8.13 Flow resistance test . 29
8.14 Filler valve flow test . 29
8.15 OPD test . 29
8.16 Test report . 30
9 Production testing . 30
10 Marking . 30
11 Documentation . 31
12 Packaging . 32
Annex A (normative) ACME connections . 33
Annex B (normative) Special low temperature requirements for valves . 36
Annex C (informative) Inspection of 3 1/4 inch ACME couplings . 37
C.1 Introduction. 37
C.2 Definitions . 37
C.3 Visual examination . 37
C.4 Dimensional check . 38
Annex D (normative) Dry disconnect couplings . 40
Annex E (informative) Connection and adaptor designs of preferred Occasional Liquid
Withdrawal valves . 45
Annex F (normative) Production testing and inspection . 48
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of Directive 2014/68/EU aimed to be covered . 50

Bibliography . 52

European foreword
This document (EN 13175:2019+A1:2020) has been prepared by Technical Committee CEN/TC 286
“Liquefied petroleum gas equipment and accessories”, the secretariat of which is held by NSAI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by December 2020, and conflicting national standards shall
be withdrawn at the latest by December 2020.
Attention is drawn to the possibility
...